Cooker



FIG. 1 is a perspective view of a cooker according to the invention;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof.

The broken lines in the drawings disclose the unclaimed portions of the cooker and form no part of the claimed design. 

CLAIM The ornamental design for a cooker, as shown and described. 